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Message-ID: <20200708201823.GA400@embeddedor>
Date: Wed, 8 Jul 2020 15:18:23 -0500
From: "Gustavo A. R. Silva" <gustavoars@...nel.org>
To: Marcel Holtmann <marcel@...tmann.org>,
Johan Hedberg <johan.hedberg@...il.com>,
"David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>
Cc: linux-bluetooth@...r.kernel.org, netdev@...r.kernel.org,
linux-kernel@...r.kernel.org,
"Gustavo A. R. Silva" <gustavoars@...nel.org>
Subject: [PATCH] Bluetooth: core: Use fallthrough pseudo-keyword
Replace the existing /* fall through */ comments and its variants with
the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary
fall-through markings when it is the case.
[1] https://www.kernel.org/doc/html/latest/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through
Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org>
---
net/bluetooth/hci_event.c | 4 ++--
net/bluetooth/hci_sock.c | 3 +--
net/bluetooth/l2cap_core.c | 19 +++++++++----------
net/bluetooth/l2cap_sock.c | 4 ++--
net/bluetooth/mgmt.c | 4 ++--
net/bluetooth/smp.c | 2 +-
6 files changed, 17 insertions(+), 19 deletions(-)
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 03a0759f2fc2..94f046f08301 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -2825,7 +2825,7 @@ static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
case HCI_AUTO_CONN_LINK_LOSS:
if (ev->reason != HCI_ERROR_CONNECTION_TIMEOUT)
break;
- /* Fall through */
+ fallthrough;
case HCI_AUTO_CONN_DIRECT:
case HCI_AUTO_CONN_ALWAYS:
@@ -4320,7 +4320,7 @@ static void hci_sync_conn_complete_evt(struct hci_dev *hdev,
if (hci_setup_sync(conn, conn->link->handle))
goto unlock;
}
- /* fall through */
+ fallthrough;
default:
conn->state = BT_CLOSED;
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index d5627967fc25..fad842750442 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -443,8 +443,7 @@ static struct sk_buff *create_monitor_event(struct hci_dev *hdev, int event)
case HCI_DEV_SETUP:
if (hdev->manufacturer == 0xffff)
return NULL;
-
- /* fall through */
+ fallthrough;
case HCI_DEV_UP:
skb = bt_skb_alloc(HCI_MON_INDEX_INFO_SIZE, GFP_ATOMIC);
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 35d2bc569a2d..ade83e224567 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -666,8 +666,7 @@ void l2cap_chan_del(struct l2cap_chan *chan, int err)
l2cap_seq_list_free(&chan->srej_list);
l2cap_seq_list_free(&chan->retrans_list);
-
- /* fall through */
+ fallthrough;
case L2CAP_MODE_STREAMING:
skb_queue_purge(&chan->tx_q);
@@ -872,7 +871,8 @@ static inline u8 l2cap_get_auth_type(struct l2cap_chan *chan)
else
return HCI_AT_NO_BONDING;
}
- /* fall through */
+ fallthrough;
+
default:
switch (chan->sec_level) {
case BT_SECURITY_HIGH:
@@ -2983,8 +2983,7 @@ static void l2cap_tx_state_wait_f(struct l2cap_chan *chan,
break;
case L2CAP_EV_RECV_REQSEQ_AND_FBIT:
l2cap_process_reqseq(chan, control->reqseq);
-
- /* Fall through */
+ fallthrough;
case L2CAP_EV_RECV_FBIT:
if (control && control->final) {
@@ -3311,7 +3310,7 @@ static inline __u8 l2cap_select_mode(__u8 mode, __u16 remote_feat_mask)
case L2CAP_MODE_ERTM:
if (l2cap_mode_supported(mode, remote_feat_mask))
return mode;
- /* fall through */
+ fallthrough;
default:
return L2CAP_MODE_BASIC;
}
@@ -3447,7 +3446,7 @@ static int l2cap_build_conf_req(struct l2cap_chan *chan, void *data, size_t data
if (__l2cap_efs_supported(chan->conn))
set_bit(FLAG_EFS_ENABLE, &chan->flags);
- /* fall through */
+ fallthrough;
default:
chan->mode = l2cap_select_mode(rfc.mode, chan->conn->feat_mask);
break;
@@ -4539,7 +4538,7 @@ static inline int l2cap_config_rsp(struct l2cap_conn *conn,
goto done;
break;
}
- /* fall through */
+ fallthrough;
default:
l2cap_chan_set_err(chan, ECONNRESET);
@@ -7719,7 +7718,7 @@ static struct l2cap_conn *l2cap_conn_add(struct hci_conn *hcon)
conn->mtu = hcon->hdev->le_mtu;
break;
}
- /* fall through */
+ fallthrough;
default:
conn->mtu = hcon->hdev->acl_mtu;
break;
@@ -7841,7 +7840,7 @@ int l2cap_chan_connect(struct l2cap_chan *chan, __le16 psm, u16 cid,
case L2CAP_MODE_STREAMING:
if (!disable_ertm)
break;
- /* fall through */
+ fallthrough;
default:
err = -EOPNOTSUPP;
goto done;
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index a995d2c51fa7..738a5345fa21 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -284,7 +284,7 @@ static int l2cap_sock_listen(struct socket *sock, int backlog)
case L2CAP_MODE_STREAMING:
if (!disable_ertm)
break;
- /* fall through */
+ fallthrough;
default:
err = -EOPNOTSUPP;
goto done;
@@ -760,7 +760,7 @@ static int l2cap_sock_setsockopt_old(struct socket *sock, int optname,
case L2CAP_MODE_STREAMING:
if (!disable_ertm)
break;
- /* fall through */
+ fallthrough;
default:
err = -EINVAL;
break;
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index d29da80e38fe..686ef4792831 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -4525,7 +4525,7 @@ static bool discovery_type_is_valid(struct hci_dev *hdev, uint8_t type,
*mgmt_status = mgmt_le_support(hdev);
if (*mgmt_status)
return false;
- /* Intentional fall-through */
+ fallthrough;
case DISCOV_TYPE_BREDR:
*mgmt_status = mgmt_bredr_support(hdev);
if (*mgmt_status)
@@ -5901,7 +5901,7 @@ static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev,
case MGMT_LTK_P256_DEBUG:
authenticated = 0x00;
type = SMP_LTK_P256_DEBUG;
- /* fall through */
+ fallthrough;
default:
continue;
}
diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index 684e60e1915c..21f5e6d9ea95 100644
--- a/net/bluetooth/smp.c
+++ b/net/bluetooth/smp.c
@@ -1654,7 +1654,7 @@ int smp_user_confirm_reply(struct hci_conn *hcon, u16 mgmt_op, __le32 passkey)
memset(smp->tk, 0, sizeof(smp->tk));
BT_DBG("PassKey: %d", value);
put_unaligned_le32(value, smp->tk);
- /* Fall Through */
+ fallthrough;
case MGMT_OP_USER_CONFIRM_REPLY:
set_bit(SMP_FLAG_TK_VALID, &smp->flags);
break;
--
2.27.0
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